Home / 8,789.69-13,184.46-2,946.26

Finding the Fourth Proportional to 8,789.69, 13,184.46 and 2,946.26

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Solution

The fourth proportional to 8,789.69, 13,184.46 and 2,946.26 is: 4,419.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,789.69 : 13,184.46 = 2,946.26 : x
  2. Step 2: Convert to fraction form
    8,789.69/13,184.46 = 2,946.26/x
  3. Step 3: Cross multiply
    8,789.69x = 13,184.46 × 2,946.26
  4. Step 4: Simplify right side
    8,789.69x = 38,844,781.20
  5. Step 5: Solve for x
    x = 38,844,781.20/8,789.69
  6. Step 6: Final answer
    x = 4,419.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.